For the second time in recent weeks researchers said they used cloning technology on adult tissue, rather than from a fetus or infant, to create stem cells that potentially could be used to treat a range of diseases.

Scientists said Monday in the journal Nature they created an embryonic clone of a 32-year-old woman with diabetes, extracted healthy stem cells from the clone, and then changed those cells into ones that produce insulin....

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Cloning Latest Advance in Diabetes Treatment?

Scientists have made progress in treating diabetes by extracting healthy embryonic cells and changing them into cells that produce insulin. WSJ's Gautam Naik explains on digits. Photo: Young Chung.